docs: def load_subcommand(subparsers):
      """Load this subcommand"""
      parser_start = subparsers.add_parser('start', help='Start uwsgi-sloth process for realtime analyzing.')
      parser_start.add_argument('-c', '--config', type=argparse.FileType('r'), dest='config',
                                  help='uwsgi-sloth config file, use "uwsgi-sloth echo_conf" for a default one', required=True)
      parser_start.set_defaults(func=start)